<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title> AngularJS字数提示</title> </head> <style> *{ margin:0; padding:0; } input,button,textarea,select{ outline:none; } textarea{ resize:none; } .content{ width:350px; height:150px; font-size:18px; text-indent:40px; overflow-y: hidden; overflow-x: hidden; } .content:hover{ border:1px solid #00ffff; cursor:pointer; } .top{ vertical-align:top; } .fontColor { color:#eee; } .tableT td{ margin-right:20px; } </style> <body ng-app="myApp" ng-controller="myControl"> <table> <tr> <td>退货说明 :</td> <td><textarea ng-model="say" ng-keyup="changeText()"></textarea></td> </tr> <tr> <td></td> <td>你还可以输入{{textLength}}字</td> </tr> </table> </body> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.8.3.js"></script> <script type="text/javascript" src="https://www.jb51.net/js/angular.min.js"></script> <script type="text/javascript"> var app = angular.module('myApp',[]); app.controller('myControl',function($scope){ $scope.textLength = 10; $scope.changeText = function(){ var length = $("#sayId").val().length; //使用$scope.say.length的时候,输入空格的时候没有计算空格长度。 console.log(length); $scope.textLength = 10 - length; if($scope.textLength<=0){ $scope.textLength = 0; $("#sayId").val($scope.say.slice(0,10)); } } }); </script> </html>
运行效果:
PS:这里再为大家推荐2款功能相似的在线工具供大家参考:
在线字数统计工具:
更多关于AngularJS相关内容感兴趣的读者可查看本站专题:《AngularJS指令操作技巧总结》、《AngularJS入门与进阶教程》及《AngularJS MVC架构总结》